X220 Thinkpad RAM UPGRADE 1x2GB 1rx8 1333 + 1x4GB ...

Q:X220 Thinkpad RAM UPGRADE 1x2GB 1rx8 1333 + 1x4GB ...

Hi, I am using X220 i5 provided by office with 64 bit windows 7 enterprise edition. it has been provided with one RAM 4GB 2rx8 1333.I have a spare one RAM 2GB 1rx8 1333after surfing online found that there will be some voltage diffrences & BIOS setup as well and suggested to contact manafacturer to ensure correct matching Questions:1) can i use 4GB 2rx8 1333 + 2GB 1rx8 1333 in my X220 i5?2) what are the pros & cons of this updation3) do i need to mention any more info for answering above Question4) what is the appx % of performance +/- if i am able to increase the ram to 6GB

Hi, I am using X220 i5 provided by office with 64 bit windows 7 enterprise edition. it has been provided with one RAM 4GB 2rx8 1333.I have a spare one RAM 2GB 1rx8 1333after surfing online found that there will be some voltage diffrences & BIOS setup as well and suggested to contact manafacturer to ensure correct matching Questions:1) can i use 4GB 2rx8 1333 + 2GB 1rx8 1333 in my X220 i5?2) what are the pros & cons of this updation3) do i need to mention any more info for answering above Question4) what is the appx % of performance +/- if i am able to increase the ram to 6GB

Hi, I am using X220 i5 provided by office with 64 bit windows 7 enterprise edition. it has been provided with one RAM 4GB 2rx8 1333.I have a spare one RAM 2GB 1rx8 1333after surfing online found that there will be some voltage diffrences & BIOS setup as well and suggested to contact manafacturer to ensure correct matching Questions:1) can i use 4GB 2rx8 1333 + 2GB 1rx8 1333 in my X220 i5?2) what are the pros & cons of this updation3) do i need to mention any more info for answering above Question4) what is the appx % of performance +/- if i am able to increase the ram to 6GB

Planning to update the HDD of my old Lenovo, consolidating the 350GB HDD + 250GB mSATA SSD into a single 500GB SSD, with the benefit of making it working on a SATAIII interface instead of the SATAII of the x220 mSATA slot. Since in these 6 years of usage I never reinstalled the Windows 7 I'm wondering if will be beneficial also to reinstall a new Win10. X220 is not listed in the Lenovo certified systems working with W10 Creators Update, wanted to know if I will probaly face troubles and also if I will nedd to install using some custom Lenovo installer.

Hello all, first time posting on the Lenovo boards but I have been a ThinkPad user for about 5 years now. Probably will never go back to regular laptops! I'm currently using a X220 (4286CTO) bought in Sept. 2011 and I'm looking to upgrade the laptop in a few ways so I can continue to use it well. Some relevant specs/system information? i5-2540M @2.6GHz 4.0GB x 1 of RAMWindows 7 Professional 64bit BIOS version 1.40 (14/5/2015) 270 GB HDD Intel Centrino Advanced-N 6205 Wi-Fi AdapterMy questions: What is the max amount RAM/max speed RAM my machine can support and what are some trusted/compatible memory sticks you guys have used or are using in your X220? Should I buy another 4GB x 1 stick or go for a new set of 4GB x 2 sticks? I want to install a mSata SSD. What are some compatible/reliable mSata SSDs that would be good and what is the max storage/speed SSD that would work? I tried to research online some about Sata II vs Sata III and I did not really understand it. Should I just get a regular SSD and replace my HDD?Random question for X220 users: do you guys still have the palmrest crack issue near the touchpad where the lid closes? My palmrest has gotten replaced 3 times specifically for that problem by warranty and now it's inevitably happened again but my warranty has run out, lol. I remember this was a chronic issue among a bunch of X220s. Thanks in advance for any/all answers. Really appre... Read more

A:Lenovo ThinkPad X220 General Upgrade Information (RAM/SSD)

Hi and welcome, heyArhumGlad to see ThnkPad and x220 lover 1. x220 supports up to 2x8 GB RAM installed.With BIOS up to v.1.28 it supports 1333 Mhz memory by default (by design) and memory 1600 Mhz w/o issues. With 1866 Mhz memory some issues might appear, depending on the memory stick manufacturer, model, parametersStarting with BIOS v.1.29 using not designed memory type is locked.2. x220 mSATA slot supports SATA II interface. There are no SATA III lines of laptop chipset in that interface. So, use any mSATA drive, on your choice - capacity, budget, vendor..., not in the m.2 formfactor (!). Intel, Plextor, Crucial, Corsair, Samsung, Kingston... Not NoName and OCZ. Of course, most mSATA III drives are back compatible with mSATA II slots.The choosing between mSATA + HDD and regular 2.5" SSD drives depends on the storage capacity you need, laptop usage profile.3. I don't know about palmrest cracking issue despite the fact I contacted with hundreds of the x220 owners, since the beginning of 2011. I'm sure there might be a bit trouble with parts fixing under palmrest, their routine. There was the single case I remember - the user has breaked it himself due to the impact.

Hello to everybody,Recently I have bought a Lenovo Thinkpad X220 and I want to increase the memory, (by default is 4 GB) to 8GB or 16 GB. if it is possible. My question is if this laptop support without any problems or errors 16GB RAM of memory, because officially it is only 8GB.RAM, but I have seen on internet, people with 16GB Ram in this laptop, Are there any problem with this? If so, upgrade to 10GB or 12GB RAM would be posible instead? Also I want to increase the capacity in my laptop (by default is 320 GB.HDD), and I want to put a 500 GB SSD Disc, and if is possible to maintain both the Hard Disc anda SSD Disc, it would be possible to put SSD Disc into the PCI Express slot and mantain the Hard Disc at the same time. Or the only possibility is to replace the Hard Disc for a SSD Disc?Thank you very much,Regards.

Also is it better to have, say, 1200 and latencies of 5-5-5-15 or 1600 and 6-6-6-18?

I know that was short but i have nothing else to really say.

A:Has anyone pushed DDR2 to 1333 or comes 1333 stock?

It is reported that there are some applications where lower RAM timings would be more beneficial, but seriously, like what Zenosincks said, running your RAM at 1600mhz and higher timings would be much better.

Btw, I won't be able to tell you in what situations that would be better. I just read it somewhere, and there's that. Don't quote me on that.

About pusing the RAM to that speeds, I think I might have surpassed it. I haven't quite got to 1600mhz, but I think I've got 1540 or thereabouts (slightly lower if I recall).

However, I throttled it back somewhat, I can't remember why. Probably because it wasn't 100% stable.

Can someone tell me how to get the @ symbol to work please ?Its on the number 2 key, below the 2, but it also has the " symbol above the 2, which works with the shift key Is there another key to press to work the @ ?

A:Thinkpad X220

I am going to guess AltGr key to the right of the spacebar + the 2 key. Cheers,

Looking for at least 2x4gb sodimm ram upgrade. Can I go to 8gb or 16gb max? Can I use any PC3 12800 or does it have to be low density/2RX8? Crucial recommends CT5643818 2x4gb kit . Looks like high density. Or am I better off with PC3 10600S similar to my current 2x2gb?

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A:M58P 7479 RAM Upgrade to 8GB PC3 12800 DDR3 1333

I'd go with what Crucial and Kingston recommends for your specific system model.

Greetings everyone, I currently have a Lenovo Thinkpad W541 as my main powerhouse driver that I use for Computer Science related work (School and Work). It's an awesome machine, and I love it, I have 28 gb of RAM in it. I will continue to use it daily without a doubt, but I did not want to continue taking it with me everywhere, so I went on eBay and ordered a refurbed (but super condition) Thinkpad X220 for less than $100. It comes with a 300gb hard drive which I won't replace because as aforementioned my Thinkpad W541 is my main baby. However, it only has 4gb of RAM. I want to max it out to 16gb once I receive it sometime this week. I read elsewhere on forums that X220's do allow 16gb of RAM. Another question is does it matter what kind RAM from a speed perspective I purchase? Thanks!

I am thinking of purchasing a refurbished Thinkpad x220, but before I purchase it I want to make sure that I am capable of enabling VT on it, with the goal of setting up a VM and using Docker. Any assistance would be much appreciated and if there are any better labtops for the job aourund the $200 price range, any recommendations would be much appreciated as well. Thanks for the help!

Hello Lenovo community, Today my Thinkpad x220 stopped working and is giving me a fan error. Is anyone able to give advice how to fix this? I was able to reboot once since but had no such luck again. Previously I've had problems with overheating already, which might be related (idk). I've checked the connection between fan and motherboard already: It is propperly plugged in. Other forum posts suggest a power drain by repeatedly pressing the power button for 10 to 30 seconds (depending on poster) without any power sources attached. This does not worked. @richk explained elsewhere that it might be due to (a) the fan, (b) a fuse, or (c) fan sensors being broken. As he suggests, I've checked whether the fan spins up before the fan error is reported (by visual inspection after removing the keyboard). The fan moves a tiny bit as if it was to start spinning. However it doesn't really spin and only falls back into the same position. Unfortunately I'm long out of warranty and can't affort to send my ThinkPad to support for them to tell me they can't fix it. Does anyone know what the most likely cause is? Will replacing the fan solve the problem? Is it worth sending it to support even outside warranty? I've also read here in the forum that lubricating the fan bearing solved a similar problem for some users. Should I try that? In short: Is there hope to get my computer working again or have a just gained an expensive paperweight? Any hel... Read more

A:Thinkpad X220 fan error

Hi,my suggestion is to replace the cooling system, entire. Do it yourself.

Hello Sorry for the following long post, but I want to mention every point that might be important concerning my problem. Preliminary note:I can't really affort to buy a new laptop right now and I need one quite urgently for a continuing education which starts this week. So, I soon need to know, how to proceed - whether I actually need a new laptop or can continue to use my current one. About 3 months ago my Laptop (Thinkpad X220 with Windows 7) suddenly stopped after a normal boot, short after Windows was running - maybe because of a power issue or a memory failure, I'm not sure what really caused it. Several trials to boot it again failed. A few days later, after I had removed and reconnected most parts 2 or 3 times, including the CMOS battary, the laptop finally started up. But the next time (after a regular shutdown) it again didn'st start up. I disconnected the CMOS battary again and and started up the laptop. Then I put it to sleep only but again couldn't start it normally. I tried the same with Hibernate without success. However, a direct restart from within Windows always worked without any problem. Before trying anything more, I downloaded and ran the Lenovo Quick Test software (Diagnostic Tool). At first I ran it online, where no error turned out. Then I ran it two times offline (with a USB stick) by chosing the full test. The results didn't show any specific indication of a hardware failure. During the first full run the WLAN test failed and dur... Read more

A:Thinkpad X220 with boot problems and "ME is in rec...

A new CMOS battery would certainly be a cheap fix and is worth a try, but normally if the CMOS batters dies it just will not save the BIOS settings, however, I have heard people who said a dead CMOS battery prevented their system from booting up until they replaced it, and described having no problem with Start >> Shutdown >> Restarts, while turning the system off and back on failed similar to what you describe. The "Me is in recovery state" is also BIOS related (corruption) so I would follow the advice on replacing the CMOS battery if I were you. If you have a multimeter, you could also check the battery for voltage, which should be 3v DC when new, and any battery reading less the 2v DC probably should be replaced. . It is very unlikely that RAM is the issue, and I doubt that your system board has gone bad since it was booting intermittently just fine until you left it off for an extended period. Good Luck,

Can someone tell me how to get the @ symbol to work please ?Its on the number 2 key, below the 2, but it also has the " symbol above the 2, which works with the shift key Is there another key to press to work the @ ?

Moderator edit: Added detail to subject

A:Thinkpad X220 get the @ symbol key to work

I am going to guess AltGr key to the right of the spacebar + the 2 key. Cheers,

Okay guys I need some helpHave a thinkpad X220 and I wand to connect a exp gdc beast to it with a Radeon HD 7970 Vapor X 3gb card Problem is When I boot with the Express Card it doesnt register It registers as an unknown device Currently running Modded 1.45 BIOS HELP ?

I have an X220 and while back when Windows 7 was around 4GB sticks were already very expensive. Today 8GB sticks are readily avialable. So Intel says the chipset does support 16GB so can I install a pair of 8GB sticks in my X220 and be able to perk up performance? My rig has an i5-2520M CPU and I am using x64 Windows so I can leverage more memory The BIOS is UEFI so I can use a larger capacity SSD too

I followed this Instruction to change language from zh-CN to en-US, I 've deleted zh-CN registry key then reboot. And now I get problem. I tried F8 and FN+F8 key to boot Safe Mode but it didn't work.Windows 7 Ultimate SP1 64bitsorry for my bad english

I am in a urgent need to access my data for work. I tried to press esc but it does not work, both holding down, press frequently, etc. Does anyone can share how to boot the windows regardless the fan does not functioning. Thank you in advance Thana

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A:How to bypass fan error on Thinkpad x220. Thank you.

In case anyone else try to find the solution too. I didn't come across one. I changed the fan got from ebay and it is up and running.

Hello Sorry for the following long post, but I want to mention every point that might be important concerning my problem. Preliminary note:I can't really affort to buy a new laptop right now and I need one quite urgently for a continuing education which starts this week. So, I soon need to know, how to proceed - whether I actually need a new laptop or can continue to use my current one. About 3 months ago my Laptop (Thinkpad X220 with Windows 7) suddenly stopped after a normal boot, short after Windows was running - maybe because of a power issue or a memory failure, I'm not sure what really caused it. Several trials to boot it again failed. A few days later, after I had removed and reconnected most parts 2 or 3 times, including the CMOS battary, the laptop finally started up. But the next time (after a regular shutdown) it again didn'st start up. I disconnected the CMOS battary again and and started up the laptop. Then I put it to sleep only but again couldn't start it normally. I tried the same with Hibernate without success. However, a direct restart from within Windows always worked without any problem. Before trying anything more, I downloaded and ran the Lenovo Quick Test software (Diagnostic Tool). At first I ran it online, where no error turned out. Then I ran it two times offline (with a USB stick) by chosing the full test. The results didn't show any specific indication of a hardware failure. During the first full run the WLAN test failed and dur... Read more

Hello! I have a ThinkPad X220, the original keyboard broke a few weeks ago. I have replaced it with a keyboard I found on ebay, but this one just doesn't type the same as the original. It makes a lot of sound during typing and the keys give absolutely zero feedback. Besides that, it just did not fit great, I needed to bend the four tabs holding the keyboard under the palmrest down a bit, because they were too high to fit in the desired slots. I am looking for a genuine Lenovo keyboard. If possible, I would stay away from ebay this time, because the one I ordered does not look like the one advertised, and is not genuine. I do not want to buy another keyboard that just types terrible. Some of keyboards advertised as 'genuine Lenovo' just look exactly the same as the non-original I have now.So if someone knows a trusted ebay seller that sells the original, please let me know. If I can get it from Lenovo, that would be just perfect. However, I cannot buy part 45N2241 at the Lenovo Replacement Parts website anymore. The original keyboard has the following FRU No.: 45N2241. Thanks in advance! SubieForest2001

A battery firmware popped up to download. I downloaded it but it could not finish and restarted my computer. Now, it is indicating that I do not have a battery though I clearly do. What can I do to fix this?

Hello,I have a 2011 Lenovo Thinkpad S/N - #######, with a 52+ 11.1 V 5.16Ah Li-ion 00 battery (FRU P/N - 42T4879, ASM P/N - 42T4880) that is not functioning at all, and hence I plan to buy a new replacement battery, but when I check on the lenovo website, I get a recommendation: external, 6c, 2.9Ah, LiIon, PAN, part - 45N1177) which is a 67+ 10.8 V 5.13Ah Li-ion 20.

Questions:1) If I buy 67+, will it be compatible with my laptop?2) Is it a better battery?

Attached: Current Battery Pic

Thank youAK_Think

Mod's Edit: Serial number removed from public view to protect member from its unwanted use.Machine Type Model 4294CTO

A battery firmware popped up to download. I downloaded it but it could not finish and restarted my computer. Now, it is indicating that I do not have a battery though I clearly do. What can I do to fix this?

Hi there, I'm having issue with ThinkPad X220 laptop.. This is the issue With battery = Running perfectly & smoothly With battery and charging wire plugged in = Running perfectly & smoothly !- Without battery ONLY charging wire plugged in = Runs very slow. CPU looks limited to certain percentage, won't run higher than 25%. -! Tried changing around battery power option no different.. also tried see-ing at the Intel Graphics Application.. like no changes. I think is something related to CPU being limited... but I don't know how to change.. can someone help me.

Guys...I am planning to replace the battery for my 6 yr old Lenovo X220 . The laptop is still doing grt. I placed an order for 29++ battery online as the laptop was originally fitted with 29+ battery. What I have received in the package is 44++ battery.Just wondering if its ok to retain and use this 44++ battery with my Lenovo X220?Plz help.Cheers// Abhishek

A:Battery replacement fro Lenovo Thinkpad X220

Welcome to the CommunityThe 44 series of the batteries is a replacement one for outdated 29 series.The question you should aware is the battery genuineness, not a fake.

Hi,I brought my X220 in 2011 with a 9 cell battery and would get about 14 hours battery life out of it. The battery aged and would not hold full capacity so I brought a new 9 cell battery from Lenovo in December August 2015. But the new battery only gives me 4 hours of battery life. What happened to the other 10 hours I used to get in 2011?-ThinkPad X220 Windows 7 Home Premium 64-bit SP1Intel Core i5 2520M @ 2.50GHzRAM 8.00GB Dual-Channel DDR3 @ 664MHzMotherboard LENOVO 4286CTOLCD 1366x768Intel HD Graphics 3000Storage Samsung SSD 850 PRO 256GB

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A:ThinkPad X220 what happened to my battery life?

presque_vu wrote:I brought a new 9 cell battery from Lenovo in December 2015. But the new battery only gives me 4 hours of battery life. What happened to the other 10 hours I used to get in 2011?1. Has the new battery always delivered only 4 hours on a charge or is this a recent change?

2. Could you please post the detailed battery status from ThinkVantage Power Manager. In particular what does it report as overall battery condition as well as the Design Capacity, Full Charge Capacity, Remaining Capacity and Cycle Count?

Hello I am using ThinkPad X220 with 9-cell battery (FRU P/N 42T4940)Yesterday, I update my system with Lenovo system Update, and the battery firmware update is the only important updates that I (try) to install. Long story short, when the program said that the sytem will automatically shuts down after the firmware update is complete, I clicked next to start the upgrade. Suddenly my system shut down right after the firmware upgrade started and when I turn it on again, it said that the firmware upgrade was failed and I need to turn my computer off. After I turn my computer on, the Power Manager said that my battery canot be charged because of poor condition from normal wear (my battery still can hold more than 85% of charge, more specifically 87%).I even tried to update it again using Windows 7 but no luck. From that on, I cannot charge my battery despite any ways that I tried (reset power gauge, take off the battery while the system turned on and charge it when it turned off, etc) Is there any solution for my problems?Anyway I am using the latest version of BIOS available (1.42 - EC 1.24)I am using UEFI booting with GRUB as main bootloader (Windows 10 and Debian 8.0) but when using Windows 7 I am using the legacy booting with GRUB as main bootloader

A:Thinkpad X220 Battery Not Charging After Failed Fi...

It may be that the battery is just failing. There is a lot more to battery health than how much charge the cells can take, If yours is the original battery for the machine, it has been used for a normal life. The service manual for your machine https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles_pdf/0a60739_04.pdf

shows the procedure for checking the battery with a meter on page 34, but there are orter types of failure that won't show up.

Hi, Yesterday I bought a used X220 Tablet - the version with Gorilla Glass - and installed Windows 10 Pro (64 bit) on it.What a great little computer this is! But what disappointed me was the lack of precision of the pen that came with the tablet. Unfortunately I could not find a setting - or program - to calibrate the pen. On this forum I learned that a lot of owners have to deal with a pen that is not accurate. On one of the posts I read it was mentioned that the digitizer in the X220 Tablet is made by Wacom, so I went their website for a recent drivers. Luckily, I soon found an appropriate tool, the Wacom Hardware Check, on ftp://ftp.wacom-europe.com/pub/WINDOWS/WacomHardwareCheck.exe . After downloading and running it, I was told:"You have hardware that is compatible with the Wacom FEEL driver. You can download the latest driver here: http://www.wacom.com/feeldriver " The URL led to a file on http://cdn.wacom.com/u/drivers/TabletPC/ISD_DualTouch_732-12.exeThe file is about 24 Mb in size. After downloading and installing it, I was able to calibrate the screen, with 25(!) calibration points. Accuracy is great now; not only in landscape, but also in portrait mode! Since I found no reference on this forum to the Wacom FEEL driver in combination with the X220 Tablet running on Windows 10, I thought it might be interesting to others in this forum. Cheers!

A battery firmware popped up to download. I downloaded it but it could not finish and restarted my computer. Now, it is indicating that I do not have a battery though I clearly do. What can I do to fix this?

A:X220 Thinkpad Tablet not indicating battery

Hello and welcomeIs the battery Lenovo genuine or from the aftermarket and has been replaced yourself?

Hi, the touchpad and trackpoint in my X220 notebook don't work. I've tried under Windows 7, 8, 10 x64, and Linux too, but no success. I've tried several drivers, UltraNav and Synaptics with no results. They are enabled in the BIOS (ver. 1.42). The device manager recognises the hardware as "This device is working properly." Please help.

So I have installed windows 10 on my x220. Everything is updateted, I have installed all the drivers, using new UEFI booting and all that - no problems using it EXPECT that +- every second boot i get stuck on login screen. I then have to hard turn off the notebook by holding the power button. Boot again and it boots with no problem at all. I tryied repairing windows instalation by repair media, no success. I am using fingerprint scanner to login.It says "There was an error, please repete the action" while it gets stuck on login screen.Also nothing connected to the notebook.I have made a short video of my problem and added comments of what is happining.Anyone can help, please?

Hello! I was replacing the rear cover of the LCD. You know: the back cover with the Lenovo and ThinkPad logo on it. While moving all the antennas over, I found out that there are two magnets in the top left and right corner of the screen. The genuine rear cover with the same FRU as the original I ordered is a newer version I think, the magnets of the old version were less than a millimeter too high for this one. After a while I got sick sanding those magnets down, and to make things worse, I also lost one magnet while doing so. It's somewhere on my bench, but I can't find it.Anyway, I installed the screen without the magnets, and everything works just fine. I thought that they may be needed for standby, but I couldn't find anything like a sensor or something in the palmrest to which they 'magnet' too (if that's a word). Standby does work perfectly without these magnets. So my question is: does anyone know what these magnets are ment to do? I've added a picture of one of them below. Thanks in advance!

Hello, Has anyone tried installation of a sierra wireless MC7750 card on a X220 tablet? I've gotten hold of a MC7750 and intend to install it on my X220 tablet and try it with Verizon 4G network. Thanks,Anand

A:Thinkpad X220 Tablet - Installation of sierra wire...

I have not tried it, but I can tell you that most likely it will not work in the default configuration. Lenovo machines have a whitelist that checks to see if the WWAN card inserted into the machine is regonized and certified. If the machine doesn't recognize the card it will display an 1804 error. Since Lenovo doesn't yet sell these cards yet, it's unlikely that this card is on their whitelist. Some people modify their BIOSes to recognize cards that Lenovo hasn't put on their list yet. I believe you can find such moded BIOSes here: http://www.bios-mods.com/forum/Thread-Removed-whitelist-removal-Lenovo-ThinkPad-x220-v1-21 or alternatively maybe in the forums in http://www.mydigitallife.info/ There may be newer versions of the BIOS in the same forum, but I haven't checked in a while. I've been waiting for months for Lenovo to support the MC7750, or another LTE card like it. I've been told by several sales people that "it's right around the corner". Pretty much hogwash so far. I haven't gone the step of ordering one of these card yet hoping that Lenovo will officially support it soon. Please post back though if you do end up moding your bios. I'm curious to know how well it works. Also read up on taping pin 20. Some people say it's necessary in addition to moding the bios. Good luck.

Hi All, We have some sound corruption problem with Lenova Thinkpad X220+Windows 10+Connexant HD auido as linked video file. https://www.youtube.com/watch?v=3ct1p4fwuv8 As your see why I tell we instead of only me, many people experience same problem. Lenovo have any solution about this issue ? Driver version : 10.0.16299.15 created by Microsoft. Hardware info; HDAUDIO\FUNC_01&VEN_8086&DEV_2805&SUBSYS_80860101&REV_1000HDAUDIO\FUNC_01&VEN_8086&DEV_2805&SUBSYS_80860101

Hello, When I shutdown my X220, the fingerprint LED is still on ! And I think the fingerprint is still turned on.How can I disable it ? I can't install the Fingerprint Software on Windows 10 ("Windows Biometry Framework must be enabled", when I enable it, this message come back). Thanks a lot...

So, I've bought one of these 27" beasts (Crossover QHD) and currently I am trying to get the monitor running with a Thinkpad x220 (i7) seated in a docking station (according to its specs, it can drive two display ports up to 2560x1600).I connected the monitor by using a Display-Port DVI Dual cable. I read the instructions by Linus Torvalds (yes, personally written by him!) and followed the steps below but to no avail. Here are the commands I've tried; for finding out the exact modeline: gtf 2560 1440 60 xrandr --newmode "2560x1440_666.00" 311.83 2560 2744 3024 3488 1440 1441 1444 1490 -HSync +Vsyncxrandr --addmode HDMI1 "2560x1440_666.00"xrandr --output HDMI1 --mode "2560x1440_666.00" The monitor is turning on and it appears to be the right solution but the rendered image looks totally pixelated as you can see here: http://pbrd.co/18xd0lN What's wrong here? Do I have to tweak my Video cards driver? Seems like the refresh rate is totally out of sync?! I tried the same machine with windows8 but to no avail, either! Thanks for any hints!

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A:Thinkpad x220 and 27" external monitor with 2560x1440 resolution

I think I found the root of the problem and it might be the cable. After doing some research I saw that there are active DP->HDMI cables like this one: http://www.amazon.com/Accell-UltraAV-B087B-002B-DisplayPort-Dual-Link/dp/B002ISVI3U/ref=sr_1_4?s=ele... Does anyone has experience with these adapters?